# truncus
## English
### Etymology

From Latin truncus. Doublet of tronk and trunk.

### Pronunciation

* Audio (US):(file)

### Noun

truncus (plural trunci)
* (biology) The thorax of an insect.
* (medicine) The trunk (torso) of the human body or other animal body.
* (medicine) An arterial trunk, such as the truncus arteriosus.
* (geometry) A curve in the Cartesian plane consisting of all points (x,y) satisfying an equation of the form $f(x)={a \over (x+b)^{2}}+c$ where a, b, and c are given constants.

#### Derived terms

* conotruncus

#### Related terms

* persistent truncus arteriosus

### Anagrams

* uncurst

## Latin
### Etymology

Unknown origin, but possibly from Proto-Indo-European *twerḱ- (“to cut”). Cognate with Ancient Greek σάρξ (sárx), Old Irish tru, troich (“fated to die”) and Latin trux and Proto-Slavic *strǫkъ.

### Pronunciation

* (Classical Latin) IPA: /ˈtrun.kus/, [ˈt̪rʊŋkʊs̠]
* (modern Italianate Ecclesiastical) IPA: /ˈtrun.kus/, [ˈt̪ruŋkus]

### Adjective

truncus (feminine trunca, neuter truncum); first/second-declension adjective
* lopped, docked
* maimed, mangled, mutilated

#### Declension

First/second-declension adjective.

#### Descendants

* Italian: tronco
* Spanish: trunco

### Noun

truncus m (genitive truncī); second declension
* tree trunk
* a piece cut off
* (figuratively, derogatory) blockhead, dunce, dolt
    Synonyms: see Thesaurus:homo stultus
* (New Latin, biology) the thorax of an insect
* (New Latin, medicine) trunk, torso
* (New Latin, medicine) an arterial trunk, such as the truncus arteriosus

#### Declension

Second-declension noun.

#### Synonyms

* (tree trunk): capitō (Mediaeval)

#### Derived terms

* *trunca
** French: tronche
* *trunceus
** Old French: trons
*** French: tronçon
* truncō (and its descendants)
* trunculus (and its descendants)
** Romanian: trunchi

#### Descendants

* Catalan: tronc
* Friulian: tronc
* Galician: tronco
* Italian: tronco
* Old French: tronc
** French: tronc
** → Middle Dutch: tronc
*** Dutch: tronk
** → Middle English: tronke, trunke
*** English: trunk
*** Scots: trunk
* Portuguese: tronco
** → Dutch: tronk
*** Afrikaans: tronk
**** → English: tronk
**** → Kwanyama: ondolonggo
** → Gujarati: તુરંગ (turaṅg)
** → Kannada: ತುರಂಗ (turaṅga)
** → Malayalam: തുറുങ്ക് (tuṟuṅkŭ)
** → Marathi: तुरुंग (turuṅga)
* Sicilian: truncu
* Spanish: tronco
* → Albanian: trung
* → English: truncus
* → Esperanto: trunko

### References

* “truncus”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
* “truncus”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
* truncus in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
* truncus in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
* ↑ De Vaan, Michiel (2008) “truncus”, in Etymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7), Leiden, Boston: Brill, →ISBN, pages 630-1
* ↑ Partridge, Origins: A Short Etymological Dictionary of Modern English
* ↑ Partridge, Origins: A Short Etymological Dictionary of Modern English